216071075 has 24 divisors (see below), whose sum is σ = 293124096. Its totient is φ = 156692000.

The previous prime is 216071033. The next prime is 216071101. The reversal of 216071075 is 570170612.

It is not a de Polignac number, because 216071075 - 2¹² = 216066979 is a prime.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 117614 + ... + 119436.

It is an arithmetic number, because the mean of its divisors is an integer number (12213504).

Almost surely, 2^216071075 is an apocalyptic number.

216071075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

216071075 is a deficient number, since it is larger than the sum of its proper divisors (77053021).

216071075 is a wasteful number, since it uses less digits than its factorization.

216071075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2275 (or 2270 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 29.

The square root of 216071075 is about 14699.3562784225. The cubic root of 216071075 is about 600.0658029682.

The spelling of 216071075 in words is "two hundred sixteen million, seventy-one thousand, seventy-five".